Home / 15,904.96-21,949.26-8,832.04

Finding the Fourth Proportional to 15,904.96, 21,949.26 and 8,832.04

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Solution

The fourth proportional to 15,904.96, 21,949.26 and 8,832.04 is: 12,188.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,904.96 : 21,949.26 = 8,832.04 : x
  2. Step 2: Convert to fraction form
    15,904.96/21,949.26 = 8,832.04/x
  3. Step 3: Cross multiply
    15,904.96x = 21,949.26 × 8,832.04
  4. Step 4: Simplify right side
    15,904.96x = 193,856,742.29
  5. Step 5: Solve for x
    x = 193,856,742.29/15,904.96
  6. Step 6: Final answer
    x = 12,188.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.